Switch among multiple connected devices in one click Connect to all your devices with 9500M. It automatically pairs the working device, connects to multiple devices, and easily switches among them in a click of a button. Multi-tasking across devices has never been easier. Multimedia hotkeys The classic keyboard look also features extra multimedia keys for further convenience. Multimedia hotkeys give you quick access to functions like media player, homepage, volume adjustment, and more. Up to 12 months battery life With Rapoo’s energy-saving technology and power switch, you can use your mouse without power interruption for up to 12 months.